The two imams, Al-Bukhari and Muslim, narrated that the Messenger of God, may God bless him and grant him peace, said: “No Muslim plants a crop and a bird, a person, or an animal eats from it, except that it is considered a charity for him.” In another hadith: “No man plants a crop except that God writes down a reward equal to the fruit that grows from that crop.”

Qurban Campaign Facilitates Planting Olive Trees in the West Bank and Gaza Strip
The cost of planting an olive tree is 50 shekels.